package FuWu;

import ShiTi.DingDan;
import java.util.List;

/**
 * 订单服务接口
 */
public interface DingDanService {
    boolean chuangJianDingDan(DingDan dingDan);          // 创建订单
    boolean quXiaoDingDan(String biaoShi);               // 取消订单
    List<DingDan> chaXunDingDan(String yongHuBiaoShi);  // 查询用户订单
    double jiSuanZongJinE(DingDan dingDan);             // 计算订单总金额
} 